#include <bits/stdc++.h>

using namespace std;
int d[1000010];
queue<int>q;
vector<int>v;

int rnd(){
    return ((rand()<<15)|rand());
}

int main()
{
    srand(time(NULL));
    int n;scanf("n=%d",&n);
    for(int i = 0;i<n;i++){
        q.push(i);
        v.push(i);
    }
    while(!q.empty()){
        int u = q.front();q.pop();
        int r = rnd()%v.size();
    }
    return 0;
}
